trims and lowers the status string

avoids e.g. draft posts getting rendered because of mistakenly misspelled status ('Draft', 'draft ')
Fix bug - Special character on post title for rss

Resolve bug with special character like "ç" on post title won't be show on rss or atom
Move author and email on RSS feed for W3C validator

Place author and email on RSS 2.0 xml like "email@web.com (first-name last-name)"
More information at http://validator.w3.org/feed/docs/warning/EmailFormat.html
Changed to make the $is_home determination on URI instead of the whole URL
Merge pull request #329 from thzinc/master

Changed to make the $is_home determination on URI instead of the whole U...
Merge pull request #322 from Akipe/master-rss

RSS bug fix : special character on title and contact node recommendation
Merge pull request #315 from kemmeter/master

trims and lowers the status string
Merge remote-tracking branch 'upstream/master'